682038989 has 2 divisors, whose sum is σ = 682038990. Its totient is φ = 682038988.

The previous prime is 682038943. The next prime is 682039003. The reversal of 682038989 is 989830286.

682038989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 680322889 + 1716100 = 26083^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 682038989 - 2²⁰ = 680990413 is a prime.

It is a super-2 number, since 2×682038989² = 930354365032284242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 682038989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682038919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341019494 + 341019495.

It is an arithmetic number, because the mean of its divisors is an integer number (341019495).

Almost surely, 2^682038989 is an apocalyptic number.

It is an amenable number.

682038989 is a deficient number, since it is larger than the sum of its proper divisors (1).

682038989 is an equidigital number, since it uses as much as digits as its factorization.

682038989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The square root of 682038989 is about 26115.8761867183. The cubic root of 682038989 is about 880.2439875286.

The spelling of 682038989 in words is "six hundred eighty-two million, thirty-eight thousand, nine hundred eighty-nine".